Influence of length of glass fibers in recycled polypropylene on tensile propertiesVojtech Senkerik, Michal Stanek, David Manas, Miroslav Manas, Vaclav Janosti and Martin OvsikMATEC Web Conf., 76 (2016) 02021DOI: https://doi.org/10.1051/matecconf/20167602021